Martin Islet Weather Forecast
- 16
- 32
Becoming windy. Sunny
- 17
- 25
Possible late shower
- 18
- 21
Showers increasing
- 17
- 22
Showers. Possible afternoon storm
- 16
- 29
Shower or two
- 18
- 32
Mostly sunny
- 17
- 25
Shower or two
Today 9 Dec Wollongong
Sunny day. Slight chance of a shower late this afternoon and evening. Winds northwesterly 15 to 20 km/h becoming light in the early morning then becoming south to southeasterly 25 to 40 km/h in the middle of the day.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 15 to 20 knots shifting southerly 15 to 25 knots in the late afternoon. Winds reaching up to 30 knots in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
- 1st Swell
- Northeasterly below 1 metre.
- Weather
- Sunny.
- Weather Situation
- A ridge is strengthening over coastal areas in the wake of a front, before a trough brushes central and southern parts of the coast later today and on Wednesday, bringing a southerly change with it. High pressure will build in the Tasman Sea later in the week, bringing east to northeasterly winds to coastal waters.
Martin Islet Temperature Statistics View More
December Temperature
Bellambi (14km)
Lowest 2 December, 2025
12.8 °CAverage December
20.9 °CHighest 5 December, 2025
36.7 °C
Climate (2020–Present)
Bellambi (14km)
Average Low 2020–2025
15 °CAverage 2020–2025
18 °CAverage High 2020–2025
21.7 °C